(maint) Correct sync documentation

[imm0rtalsupp0rt]

Description Of Changes

There was a change made to the Recommended Use of the choco sync command that needed to be addressed in the Alternate Use; that change has been made. A sentence has also been added in the Summary to provide context on why a user may want to use the choco sync command in the first place.

Motivation and Context

The first change was a miss on my part. The second was a suggestion by our very own @ferventcoder!

Testing

• I have previewed these changes using the Docker Container or another method before submitting this pull request.

Change Types Made

• Minor documentation fix (typos etc.).
• Major documentation change (refactoring, reformatting or adding documentation to existing page).
• New documentation page added.
• The change I have made should have a video added, and I have raised an issue for this.
  • Issue #

Change Checklist

• Requires a change to menu structure (top or left-hand side)/
• Menu structure has been updated
• Images added to the img repository?
  • PR -
• All items are complete on the Definition of Done.

Related Issue

None